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The specific heat of ice is 2.10 kJ/kg °C, the heat of fusion for ice at 0°C is 333.7 kJ/kg, the specific heat of water 4.186 kJ/kg °C, the heat of vaporization of water at 100°C is 2256kJ/kg, and the specific heat of steam is 2.020 kJ/kg °C. What is the final equilibrium temperature when 30.0 grams of ice at 0°C is mixed with 4.00 grams of steam at 120°C?
A) 3.02°C
B) 18.4°C
C) 10.2°C
D) 8.77°C
E) 5.97°C
Suppose the masses of stars are distributed according to f(M)dM == M^-2 dM. Assume you can use the luminostiy mass relation L == M^3. (Both a and b are constants.) What is teh corresponding distribution function for luminosities, g(L), such that g(L)..
Determine the maximum load in terms of theta_min and other quanitites given in the problem introduction.
One component of a metal sculpture consists of a solid cube with an edge of length 0.277 m. Find the cube's mass
An infinite plane of surface charge density +.2uC/m^2 is in the y-z plane at x=0, What is the magnitude of the electric field close to the surface
A small flywheel starts from rest and spins up to speed in 10 seconds. During this time it completes a total of 300 revolutions. what is the angular acceleration of the wheel
When at rest, two trains have sirens that emit a frequency of 300 Hz. The trains travel toward one another and toward an observer stationed between them. What is the speed of the second train
The electron in a hydrogen atom is infinitely distant at zero potential energy, What is the nearest principal quantum number in this state
It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude, How long is the lamp chain?
a train consists of 50 cars each of which has a mass of 7.2times 103kg. the train has an acceleration of7.9 times
A 330-g air track cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 5.00 x 10-6 kg?m2 and a radius of 1.35 cm. Write Newton's second law equation for each of the three objects
A dielectric-filled parallel-plate capacitor has plate area of 30cm^2 and plate separation of 5mm. The capacitor is connected to a battery that creates a constant voltage of 10V. The dielectric constant is 3. All through the problem, use epsilon_0..
A thin film of MgF2 (n=1.38) coats a piece of glass. Contructive interference is observed for the reflection of light with wavelengths of 500 nm and 625 nm.
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